NVIDIA GeForce GT 640M LE: specs and benchmarks
NVIDIA started GeForce GT 640M LE sales 4 May 2012 at a recommended price of 849.99 USD. This is Fermi architecture notebook card based on 40 nm manufacturing process and primarily aimed at office use. 2 GB of DDR3\DDR5 memory clocked at 3.14 GHz are supplied, and together with 128bit memory interface this creates a bandwidth of Up to 28.8 GB/s.
Compatibility-wise, this is card attached via PCIe 2.0 x16 interface. No additional power connector is required, and power consumption is at 32 Watt.
It provides poor gaming and benchmark performance at 3.72 percent of a leader's which is AMD Radeon R9 390 X2.